CN202792085U - Adjustable oxygenating energy-saving and combustion-supporting system - Google Patents
Adjustable oxygenating energy-saving and combustion-supporting system Download PDFInfo
- Publication number
- CN202792085U CN202792085U CN2012204427036U CN201220442703U CN202792085U CN 202792085 U CN202792085 U CN 202792085U CN 2012204427036 U CN2012204427036 U CN 2012204427036U CN 201220442703 U CN201220442703 U CN 201220442703U CN 202792085 U CN202792085 U CN 202792085U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- air
- valve
- nitrogen
- combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to an adjustable oxygenating energy-saving and combustion-supporting system. The adjustable oxygenating energy-saving and combustion-supporting system is characterized by comprising a compressed air unit, an air purifying unit, an oxygen-nitrogen separating unit, an oxygenating adjustment mixer unit and an oxygenating application spray nozzle unit. The utility model provides a mode for changing combustion supporting of the air through the adjustable oxygenating energy-saving and combustion-supporting system; a stable system is achieved under the conditions that the yield and quality of products are unchanged and can be improved; fuel is saved at lower cost; and meanwhile, the requirement of environment friendliness is better achieved. According to the adjustable oxygenating energy-saving and combustion-supporting system disclosed by the utility model, according to original energy-saving measure conditions of an original furnace body and the conditions of furnace age, operation habits and management, energy-saving effects of various industrial furnaces are as follows: various coal-fired industrial furnaces are 5-20 percent; various oil-fired industrial furnaces are 6-30 percent; and various gas industrial furnaces are 3-18 percent.
Description
Technical field
The utility model relates to a kind of energy saving combustion supporting system for all the industrial furnace combustion systems by fuel combustion, be applicable to various fuel, comprise natural gas, liquefied gas, coal gas, coal, coal dust, water-coal-slurry, heavy oil, diesel oil, kerosene, residual oil, tar powder etc.
Background technology
The present various industrial furnaces of China are to rely on normal air to carry out combustion-supporting, only has 20.93% oxygen in the air, it is utilized to participate in combustion-supporting, not only can not participate in burning and account for 78.10% nitrogen in the air, and take away heat energy a large amount of in the combustion process, so that present combustion system energy consumption is high, efficient is low, unit product fuel consumption ratio is large, seriously polluted to environment.Along with the continuous rising of energy crisis and raw material and labor cost, the continuous upgrading of environmental requirement in the urgent need to burning industrial being carried out a field technology revolution, accomplishes to be energy-conserving and environment-protective, can increase production and improve the quality of products again.There is in the market method by film oxygen enriching burning that the oxygen concentration of combustion air is promoted to 28%-30% and reaches energy-conservation purpose.Feasible on this technical know-how, but be applied to have very large deficiency in the industrial production, even can't reach steadily in the long term energy conservation object, specifically:
1, adopt the product oxygen maximum concentration of embrane method oxygen generating plant to reach 28%-30% (film imported is the highest by 35%), this oxygen concentration is used at energy saving combustion supporting and is had limitation, can't carry out the concentration adjustment according to the situation of different industrial furnaces, thereby not reach best energy conservation object;
2, enterprise's work condition environment that the energy consumption of use industrial furnace is larger in the reality is all not good, ambient air quality is bad, and the operation principle of embrane method oxygen processed requires the clean and unimpeded of air intake air, must pass through Air Filter Filter Core, surrounding air unholiness so that filter core is easily gambled plug, usually namely can not produce the oxygen of 28%-30% behind the embrane method equipment use some months, the sustainability of energy-saving effect has not just existed yet so;
3, the oxygen-enriched air that produces of embrane method oxygen processed is greatly limited its scope on the energy-saving application of industrial furnace and different fuel because the product oxygen mode of embrane method has determined that its pressure of oxygen rich gas is lower.
Summary of the invention
The purpose of this utility model provide a kind of can stability and high efficiency the energy saving combustion supporting system that is used for the industrial furnace combustion system of energy-conservation and applied range.
In order to achieve the above object, the technical solution of the utility model has provided a kind of adjustable bleeding and energy saving combustion-supporting system, it is characterized in that, comprising:
Compressed air unit: be used for providing pressure steadily and the compressed air gas source of oil content below 3PPM;
Air cleaning member: be used for removing contained water, oil, dirt and the part CO of compressed air gas source that is provided by compressed air system
2
Oxygen nitrogen separative element: be used for filtering the nitrogen through the pretreated compressed air gas source of air cleaning member, remaining CO
2And water vapour, the oxygen in the compressed air gas source then passes the enrichment of oxygen nitrogen separative element becomes product gas;
Oxygenation adjusting mixer unit: according to the actual needs of different industrial furnaces, regulate oxygen concentration, pressure and the flow of product gas by oxygenation adjusting mixer unit, thereby form the oxygen rich gas of adjustable oxygen enriching burning-aid;
Oxygenation applicating nozzle unit: be used for being connected with the burner block of the industrial furnace of different structure, so that the oxygen rich air physical efficiency is delivered in the burner block place of anoxic.
Preferably, described compressed air unit comprises that for generation of compressed-air actuated air compressor the port of export of air compressor connects the air accumulator that is used for voltage stabilizing, and air accumulator connects described air cleaning member.
Preferably, described air cleaning member comprises fore filter, and fore filter connect successively main line filter, accurate filter, Combined low-dew-point dryer and active carbon filter, Combined low-dew-point dryer adopt selects CO absorption
2Macromolecular material remove described part CO
2
Preferably, described oxygen nitrogen separative element comprises the air cushioning tank, and the entrance point of air cushioning tank links to each other with described air cleaning member, and its port of export connects respectively for the nitrogen that filters described compressed air gas source by air intake valve, remaining CO
2And left nitrogen oxygen knockout tower and the right nitrogen oxygen knockout tower of water vapour, left nitrogen oxygen knockout tower and right nitrogen oxygen knockout tower are controlled each other switch operating by the air valve group, the oxygen outlet end of left nitrogen oxygen knockout tower and right nitrogen oxygen knockout tower connects oxygen storage tank by going out oxygen valve, and oxygen storage tank connects described oxygenation adjusting mixer unit again.
Preferably, the structure of described left nitrogen oxygen knockout tower and described right nitrogen oxygen knockout tower is identical, comprise tower body, admission line and oxygen output pipe road are connected to top and the bottom of tower body, in tower body, be provided with oxygen molecular sieve processed, the top that is pressed on oxygen molecular sieve processed by will be the from top to bottom stacked activity porous pressing plate of hold-down mechanism and the first cushion pad, the bottom of oxygen molecular sieve processed is pressed in the second stacked cushion pad from top to bottom and fixedly on the porous web plate, below fixing porous web plate, be provided with porous webmaster filter, after described compressed air gas source enters tower body via admission line, pass through successively activity porous pressing plate, the first cushion pad, oxygen molecular sieve processed, the second cushion pad, fixedly behind porous web plate and the porous webmaster filter, said by oxygen output pipe.
Preferably, between described the first cushion pad and described the second cushion pad and described oxygen molecular sieve processed, be respectively equipped with the first stainless steel cloth and the second stainless steel cloth.
Preferably, described hold-down mechanism comprises holddown spring, and holddown spring is located in the pogo barrel.
Preferably, described oxygenation adjusting mixer unit comprises product oxygen pressure regulator valve, the entrance point that produces the oxygen pressure regulator valve connects described oxygen nitrogen separative element, its port of export first oxygen concentration test point needle valve of connecting successively, the oxygen therapy flowmeter, oxygen flow rate adjusting valve and advance oxygen valve, an input of blender connects into oxygen valve, another input connect successively air flow rate adjustment valve and the first pressure-regulating valve, the first pressure-regulating valve connects compressor air source of the gas or roots blower air source of the gas, the output of blender connect connect behind the second oxygen concentration test point needle valve mix after the oxygen enrichment flowmeter, the oxygen enrichment flowmeter is connected successively and is connected described oxygenation applicating nozzle unit behind flow control valve and the second pressure-regulating valve after mixing.
Preferably, advance between the oxygen valve to be connected in series successively the first tempering safety valve and the first check-valves with described at described oxygen flow rate adjusting valve; Between another input of described air flow rate adjustment valve and described blender, be serially connected with the second check-valves; Be serially connected with the 3rd check-valves between the oxygen enrichment flowmeter after described the second oxygen concentration test point needle valve and described the mixing, Pressure gauge accesses between the second oxygen concentration test point needle valve and the 3rd check-valves; Between described the second pressure-regulating valve and described oxygenation applicating nozzle unit, be serially connected with the second tempering safety valve.
Preferably, described blender comprises housing, is provided with the tubular stainless steel cloth in housing, is respectively equipped with a mesh baffle plate at the two ends of tubular stainless steel cloth.
The effect that the combustion-supporting participation combustion reaction of the adjustable bleeding and energy saving that the utility model provides has obvious energy-saving and environmental protection and volume increase and improves the quality of products.So-called bleeding and energy saving is exactly that 21% oxygen content in the air is promoted, according to different industrial furnaces, it is used for combustion process that oxygen concentration, flow, pressure are adjusted to behind the equalization point of cost performance the best, its oxygen concentration adjustable extent between 21%-95%, thereby reach following effect:
1) improve flame temperature:
By the work of adjustable bleeding and energy saving combustion-supporting system, make airborne oxygen nitrogen separation, nitrogen amount reduces, and air capacity and exhaust gas volumn all significantly reduce, so flame temperature significantly improves along with the increase of oxygen proportion in the combustion air.Generally speaking, can raise 100-300 ℃ as the every increase of oxygen content 4-5% flame temperature in the kiln combustion air, improve greatly the efficiency of combustion of fuel.According to different industries boiler and kiln, its optimal balance point is different, but effect is significantly same.
2) ignition temperature of reduction fuel obtains wider fuel range of choice:
The ignition temperature of fuel is not constant, it and combustion position are subjected to thermal velocity, environment temperatures etc. are relevant, it is 600 ℃ such as the aerial burning-point of CO, and burning-point only is 388 ℃ in pure oxygen, adopt that bleeding and energy saving is combustion-supporting to improve flame temperature and increase releases energy, significantly reduced the fuel ignition temperature, so that the range of choice of fuel becomes wider.
3) accelerate burning velocity and promote combustion completion, radical cure is polluted:
The burning velocity of fuel in air and in pure oxygen differs very large, but adopts the equipment cost of pure oxygen higher.Adopt adjustable bleeding and energy saving combustion-supporting system then can regulate according to different industrial furnaces, has splendid cost performance, it not only improves ignition temperature, accelerates burning velocity, and flame shortens, obtain preferably heat conduction, simultaneously, temperature is conducive to combustion reaction after improving, promote burning fully, thus fundamentally pollution abatement.
4) increase heat utilization ratio:
The combustion-supporting utilization rate to heat of bleeding and energy saving increases, as with normal air combustion-supporting (oxygen concentration is 21%), when heating-up temperature is 1300 ℃, when its available heat is the oxygenized air combustion supporting of 42% usefulness oxygen content 36%, available energy is 56%, and oxygen concentration is higher, and heating-up temperature is higher, the ratio that increases is larger, and energy-saving effect is also better.
5) reduce coefficient of excess air:
Replace the mode of air-breathing or the oxygenation of employing technology with adjustable bleeding and energy saving combustion-supporting system, can reduce coefficient of excess air, like this, fuel consumption is with regard to corresponding minimizing, thus energy savings.
6) the flue gas exhaust amount after the minimizing burning:
Combustion-supporting with normal air, about 4/5ths nitrogen does not only participate in combustion-supporting, and takes away a large amount of heat energy, as after adopting adjustable bleeding and energy saving combustion-supporting system, nitrogen amount will reduce, and the capacity after the burning also will reduce, heat loss reduces, and has improved hot effective rate of utilization, thereby improves efficiency of combustion.
In sum, the utility model provides a kind of and changes air-breathing mode by adjustable bleeding and energy saving combustion-supporting system, in product yield and mass conservation and the situation that can improve, reaches with stable system, adopt the lower original fuel savings of one-tenth, the while is meet the requirement of environmental protection better.According to former energy-conservation measure situation, furnace life, operating habit, the administrative situation of former body of heater, behind employing the utility model, various Energy Saving for Industrial Furnace effects are: various coal-fired industrial furnaces: 5%-20%; Various fuel oil industrial furnaces: 6%-30%; Various industrial gas furnaces: 3%-18%.
Description of drawings
The general structure schematic diagram of a kind of adjustable bleeding and energy saving combustion-supporting system that Fig. 1 provides for the utility model;
Fig. 2 is the general structure schematic diagram of oxygen nitrogen separative element;
Fig. 3 is the structural representation of left nitrogen oxygen knockout tower or right nitrogen oxygen knockout tower;
Fig. 4 is the structural representation of oxygenation adjusting mixer unit.
The specific embodiment
For the utility model is become apparent, hereby with preferred embodiment, and cooperate accompanying drawing to be described in detail below.
A kind of adjustable bleeding and energy saving combustion-supporting system that the utility model provides is to aim to satisfy the required fuel-saving application system of the various fuel combustion supportings of industry spot, it can satisfy various Industrial Boilers, the kiln that the fuel such as various employing coals, oil, natural gas burn convenient, fast, at low cost, the use amount of fuel saving fundamentally farthest, more environmental protection when reaching fuel saving can be widely used in the industrial occasions of various employing fuel combustions.As shown in Figure 1, whole system is divided into five unit, is respectively: compressed air unit 1, air cleaning member 2, oxygen nitrogen separative element 3, oxygenation adjusting mixer unit 4 and oxygenation applicating nozzle unit 5.
Air accumulator connects air cleaning member 2, and 2 pairs of compressed air of air cleaning member dewater, oil removing, dedusting and remove portion CO
2Purified treatment.In the present embodiment, air cleaning member 2 comprises fore filter, and fore filter connect successively main line filter, accurate filter, Combined low-dew-point dryer and active carbon filter, Combined low-dew-point dryer adopt selects CO absorption
2Macromolecular material remove described part CO
2By adopting Combined low-dew-point dryer and level Four filter to reach the effect that purifies air of dewater (dew point is 70 ℃), oil removing (oil content is 0.003PPM), dedusting (can remove the dust that the particle diameter minimum is 0.01 μ m), in Combined low-dew-point dryer equipment, adopt simultaneously and select CO absorption
2Macromolecular material remove portion CO
2, be conducive to the work of next step oxygen nitrogen separating part.
Compressed air gas source through air cleaning member 2 oil removings, dedusting, the preliminary treatment that dewaters after, enter oxygen nitrogen separative element 3 and link to each other.Because the molecule aperture of each gas such as oxygen, nitrogen is different, airborne nitrogen, residual carbon dioxide and water vapour all can be selected to filter by the polymer carrier in the oxygen nitrogen separative element, oxygen then passes the enrichment of oxygen nitrogen separative element as product gas, the product gas of this enrichment is oxygen rich gas, its oxygen concentration can reach 93 ± 2%, and maximum pressure can reach 0.6MPA.
As shown in Figure 2, oxygen nitrogen separative element 3 comprises air cushioning tank 3-1, and the entrance point of air cushioning tank 3-1 links to each other with air cleaning member 2, and its port of export connects respectively for the nitrogen that filters compressed air gas source, remaining CO by air intake valve 3-2
2And left nitrogen oxygen knockout tower 3-3 and the right nitrogen oxygen knockout tower 3-5 of water vapour, left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5 control each other switch operating by the air valve group, the oxygen outlet end of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5 connects oxygen storage tank 3-7 by going out oxygen valve 3-6, and oxygen storage tank 3-7 connects oxygenation adjusting mixer unit 4 again.
The air valve group comprises the first air valve 3-4-1 and the 4th air valve 3-4-4, and the first air valve 3-4-1 and the end of the 4th air valve 3-4-4 are connected respectively the inlet end of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5, and the other end connects air intake valve 3-2 simultaneously; Also comprise the 7th air valve 3-4-7, the 8th air valve 3-4-8 and the 9th air valve 3-4-9, the end of the 7th air valve 3-4-7 and the 8th air valve 3-4-8 connects respectively the inlet end of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5, and the other end connects the 9th air valve 3-4-9 simultaneously; Also comprise the second air valve 3-4-2 and the 5th air valve 3-4-5, the end of the second air valve 3-4-2 and the 5th air valve 3-4-5 connects respectively the oxygen output end of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5, and the other end connects oxygen valve 3-6 simultaneously; Also comprise the 3rd air valve 3-4-3 and the 6th air valve 3-4-6, the end of the 3rd air valve 3-4-3 and the 6th air valve 3-4-6 connects respectively the oxygen output end of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5, and the other end interconnects.
The process that above-mentioned air valve group is controlled left nitrogen oxygen knockout tower 3-3 and the mutual switch operating of right nitrogen oxygen knockout tower 3-5 is:
1) when the first air valve 3-4-1 and the second air valve 3-4-2 opened, left nitrogen oxygen knockout tower 3-3 was in air inlet and goes out oxygen condition, and this moment, the 8th air valve 3-4-8 and the 9th air valve 3-4-9 also opened the right nitrogen oxygen of desorb knockout tower 3-5;
2) the 7th air valve 3-4-7 and the 8th air valve 3-4-8 are opened, this moment, left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5 all pressed;
3) the first air valve 3-4-1 and the second air valve 3-4-2 are opened, be the process of boosting;
4) the 8th air valve 3-4-8 and the 9th air valve 3-4-9 are opened, be desorption process;
5) the 4th air valve 3-4-4 and the 5th air valve 3-4-5 are opened, right nitrogen oxygen knockout tower 3-5 is in air inlet and goes out oxygen condition, and this moment, the 7th air valve 3-4-7 and the 9th air valve 3-4-9 opened the left nitrogen oxygen of desorb knockout tower 3-3;
6) the 7th air valve 3-4-7 and the 8th air valve 3-4-8 are opened, this moment, left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5 all pressed;
7) the 4th air valve 3-4-4 and the 5th air valve 3-4-5 are opened, be the process of boosting;
8) the 7th air valve 3-4-7 and the 9th air valve 3-4-9 are opened, be desorption process.
Above-mentioned working procedure periodic cycle is carried out, and keeps producing continuing, stablizing of oxygen.
As shown in Figure 3, the structure of left nitrogen oxygen knockout tower 3-3 and right nitrogen oxygen knockout tower 3-5 is identical, comprise tower body 3-3-7, admission line 3-3-8 and oxygen output pipe road 3-3-14 are connected to top and the bottom of tower body 3-3-7, in tower body 3-3-7, be provided with oxygen molecular sieve 3-3-9 processed, by the top that will be the from top to bottom stacked activity porous pressing plate 3-3-4 of holddown spring 3-3-3 and the first cushion pad 3-3-5 are pressed on oxygen molecular sieve 3-3-9 processed, holddown spring 3-3-3 is located in the pogo barrel.The bottom of oxygen molecular sieve 3-3-9 processed is pressed in the second stacked cushion pad 3-3-11 from top to bottom and fixedly on the porous web plate 3-3-12, is provided with porous webmaster filter 13 below fixing porous web plate 3-3-12.Between the first cushion pad 3-3-5 and the second cushion pad 3-3-11 and oxygen molecular sieve 3-3-9 processed, be respectively equipped with the first stainless steel cloth 3-3-6 and the second stainless steel cloth 3-3-10.After compressed air gas source enters tower body 3-3-7 via admission line 3-3-8, successively through activity porous pressing plate 3-3-4, the first cushion pad 3-3-5, oxygen molecular sieve 3-3-9 processed, the second cushion pad 3-3-11, fixedly behind porous web plate 3-3-12 and the porous webmaster filter 13,3-3-14 goes out by the oxygen output pipe road.
The specification configuration of whole system is what to select according to the demand of different industrial furnaces.And finally must according to the actual needs of different industrial furnaces, design the caliber of oxygenation adjusting mixer unit 4 according to pressure, flow, the flow velocity of different industrial furnaces equally for the employed oxygen concentration of energy saving combustion supporting, pressure, flow.Regulate by concentration, pressure and the flow to product gas behind the oxygenation adjusting mixer, form the oxygen rich gas of adjustable oxygen enriching burning-aid, its adjustable range is: oxygen concentration is at 21%-95%; The pressure ordinary circumstance if pressure requires to surpass this pressure, then can adopt supercharging device to boost below 0.6MPA; Flow can design in any range according to the requirement of different industrial furnaces.
As shown in Figure 4, oxygenation adjusting mixer unit 4 comprises product oxygen pressure regulator valve 4-1, the entrance point that produces oxygen pressure regulator valve 4-1 connects oxygen nitrogen separative element 3, its port of export first oxygen concentration test point needle valve 4-2 that connects successively, oxygen therapy flowmeter 4-3, oxygen flow rate adjusting valve 4-4, the first tempering safety valve 4-5, the first check-valves 4-6 and advance oxygen valve 4-20, the input of blender 4-10 connects into oxygen valve 4-20, another input second check-valves 4-9 that connects successively, air flow rate adjustment valve 4-8 and the first pressure-regulating valve 4-7, the first pressure-regulating valve 4-7 connects compressor air source of the gas or roots blower air source of the gas, the output of the blender 4-10 second oxygen concentration test point needle valve 4-13 that connects successively, connect behind the 3rd check-valves 4-15 and mix rear oxygen enrichment flowmeter 4-16, Pressure gauge 4-14 accesses between the second oxygen concentration test point needle valve 4-13 and the 3rd check-valves 4-15, the oxygen enrichment flowmeter 4-16 flow control valve 4-17 that connects successively after mixing, connect oxygenation applicating nozzle unit 5 behind the second pressure-regulating valve 4-18 and the second tempering safety valve 4-19.
Wherein, blender 4-10 comprises housing, is provided with tubular stainless steel cloth 4-12 in housing, is respectively equipped with a mesh baffle plate 4-11 at the two ends of tubular stainless steel cloth 4-12.
Require the oxygen concentration of determining that the second oxygen concentration test point needle valve 4-13 will record, the air inlet amount of regulating oxygen feeding amount and the air flow rate adjustment valve 4-8 of oxygen flow rate adjusting valve 4-4 according to the requirement of this oxygen concentration according to the oxygen concentration of oxygen enriching burning-aid usefulness gas point; Require to regulate the 3rd check-valves 4-15 according to the operating pressure with gas point, regulate the first pressure-regulating valve 4-7 and advance the operating pressure that oxygen valve 4-20 enters blender by the pressure of the 3rd check-valves 4-15; According to the required flow of gas point, can control and measure the flow that produces oxygen by oxygen therapy flowmeter 4-3, control and measure for the required flow of oxygen enriching burning-aid oxygen-enriched air by mixing rear oxygen enrichment flowmeter 4-16; The requirement of production technology can be regulated the operating pressure that finally enters the industrial furnace oxygen enriching burning-aid by the second pressure-regulating valve 4-18 during according to use.
Oxygenation applicating nozzle unit 5: adjustable oxygen enriching burning-aid system must adopt different mode of entrance according to different burner blocks, be about to oxygenation gas and deliver to the position that different industrial furnaces need most oxygen, just as same individual anoxic or when aerobic, as long as it is such fine oxygen hose to be inserted people's nose, the utility model is by the mode of technology oxygenation, find " nose " place of various industrial furnaces, use design, some directly gets final product by former air-breathing air channel, and major part must be according to the structure of different burner blocks and the different fuel of use, adopt various special-purpose oxygenation applicating nozzles, by adjustable and different mode of entrance, the combustion-supporting oxygen of certain concentration is directly delivered in the body of heater place of anoxic, be used for combustion-supporting, with lower cost, reach energy-conservation purpose.
Below further specify the utility model with concrete data.
Embodiment 1: the application on 20T usefulness coal stream-chain boiler
The chain steam boiler of a 20T, steam working pressure (SWP) requires to be 2.55MPA, the thermal efficiency reaches 80%, it is the coal of 5200-5300 kilocalorie that fuel adopts calorific value, and when adopting air blast combustion-supporting, this boiler coal consumption every day is the 76-80 ton, 923 ℃ of fire box temperatures, air blast frequency 44HZ, air inducing frequency 48.8HZ, fire grate width are 3M, fire grate speed is 538r/min, the at full capacity long-term even overload operation of this boiler, actual working pressure is 2.52MPA, steam flow is 20T/H, unburned carbon in flue dust is 2.543, fire grate face arch combustion zone catches fire not good, moves to the cinder zone behind the grate, and chimney has the over-emitting black exhaust phenomenon.
According to above-mentioned parameter, adopt adjustable bleeding and energy saving combustion-supporting system, selection pressure is 0.7MPA, flow is the air compressor machine of 10M3/M1N, through behind the air accumulator of voltage stabilizing by behind fore filter, main line filter, the accurate filter, compressed air enters Combined low-dew-point dryer, then removes the purified treatment that the atomizing oil content has been finished air by charcoal filter.Air after the purification enters and produces 50M3/H (20 ℃ of mark attitudes after oxygen nitrogen separates unit, 101.325Kpa), oxygen concentration is 93 ± 2% oxygen rich gas, through oxygenation adjusting mixer unit 4, it is 45% that this oxygen rich gas and compressed air are carried out mixing match to oxygen concentration, pressure is adjusted to 0.3-0.35MPA, Flow-rate adjustment is to 240M3/H, be delivered to by this steam boiler by pipeline, then adopt different special-purpose oxygenation applicating nozzles to enter body of heater, wherein adopting six materials is the high temperature resistant stainless steel material, latus rectum is that the special-purpose oxygenation applicating nozzle of 8MM enters from the boiler both sides respectively, two are placed on two jiaos of aditus laryngis places of boiler rear arch, other four are distributed on the rear arch upper end, the downward-sloping 25-30 degree of nozzle head, the moderate heat of aiming at combustion zone flame is regional, and the flow velocity of nozzle remains on 80-120m/s.Other six materials are that high temperature resistant stainless steel material (also can adopt earthenware or corundum rod pipe), latus rectum are that the special-purpose oxygenation applicating nozzle cross-distribution of 10MM sprays into the combustion zone by boiler both sides body of wall, this nozzle is placed on 600-700MM place, fire grate upper end according to the furnace flame actual conditions, downward-sloping 15-20 degree, spacing 350-400MM between nozzle, the flow velocity of nozzle remains on 60-80m/s.
After this 20T adopts adjustable bleeding and energy saving combustion-supporting system with the coal stream-chain boiler, comparing test with former air-breathing situation obtains: adopt same batch coal, remain unchanged in the chain furnace coal seam, in the situation that boiler pressure and steam flow remain unchanged, during from original air-breathing 923 ℃ of the fire box temperature of same test point are promoted to 1080 ℃, the 538r/min of fire grate speed during from original air-breathing drops to 493r/min, air blast this moment frequency is 42HZ, the air inducing frequency is 47.6HZ, grate about 0.5M-0.8M that moved forward in the burner hearth, chimney is over-emitting black exhaust no longer, and unburned carbon in flue dust is down to 0.435, and coal saving rate reaches 8.4%.
Embodiment 2: be the application on the horse-shoe flame furnace of natural gas at fuel
18m
2Two of horse shoe flame melting furnaces are one group, and fuel is natural gas, and during air-breathing: separate unit kiln natural gas air consumption is about 230-240m
3/ h, be 8400 hours a year running time, fusion temperature is 1535 ℃, large arch temperature reaches 1535 ℃, and air preheating temperature can reach 1160 ℃, and exhaust gas temperature is 350 ℃, coefficient of excess air 1.2, combustion air amount 8900m3/h, blast 1226pa, 5.5KW, frequency conversion 24.5HZ, separate unit stove configuration spray gun is 4, and two is one group, and the gas discharge design load of every spray gun is 150m
3/ h, about 20min switches once, and its high-pressure blast adopts 0.04MPA, and the Secondary Air aperture is 25HZ, and the spacing of two stoves is 10 meters, the natural gas consumption is equiped with flow quantity recorder, 3.43 yuan/m of natural gas unit price simultaneously
3
According to above-mentioned parameter, adopt adjustable bleeding and energy saving combustion-supporting system, selection pressure is 0.7MPA, flow is the air compressor machine of 13M3/M1N, through behind the air accumulator of voltage stabilizing by behind the fore filter through being complementary, main line filter, the accurate filter, it is the 15M3/MIN Combined low-dew-point dryer that compressed air enters treating capacity, then removes the purified treatment that the atomizing oil content has been finished air by charcoal filter.Air after the purification enters and produces 60M3/H (20 ℃ of mark attitudes after oxygen nitrogen separates unit, 101.325Kpa), oxygen concentration is 93 ± 2% oxygen rich gas, through oxygenation adjusting mixer unit 4, it is 45-50% that this oxygen rich gas and compressed air are carried out mixing match to oxygen concentration, pressure is adjusted to 0.3MPA, Flow-rate adjustment is to 160M3/H, be delivered to by this kiln by pipeline, satisfying 20min by magnetic valve switches once, follow the switching cycle of spray gun, regulate high-pressure blast pressure by control valve simultaneously, by the gate valve adjust flux, close original air high-pressure blast, adopt oxygenation gas as high-pressure blast, high-pressure blast pressure is controlled at 0.08MPA, then adopt special-purpose oxygenation to use spray gun and enter body of heater, remain unchanged during for the length that guarantees flame and air-breathing, to guarantee manufacturing technique requirent, this moment, Secondary Air transferred to 15HZ, fusion temperature still remain 1535 ℃ constant, self-con-tained unit and the natural gas flow quantity recorder of automatically controlling the natural gas air inflow according to fusion temperature are housed in the system.
After two 18 squares horse-shoe flame furnaces adopt adjustable bleeding and energy saving combustion-supporting system, when, output constant when fire box temperature and product with stable quality are constant, the average discharge 235m of the consumption of natural gas during from air-breathing
3/ h drops to 198m
3/ h.The actual natural gas of saving reaches 15.7%.
Embodiment 3: be the application on the rotary kiln of heavy oil at fuel
The basic behaviour in service that is used for one rotary kiln that refractory material fires is: 2.5 meters of this rotary kiln diameters, long 90 meters, kiln hood firing temperature 1800 degree, kiln hood pressure 10-50pa, during air-breathing, the mist of oil wind transmission is compressed air: pressure 0.4Mpa, caliber 10MM, high-pressure blast is roots blower: pressure 0.2Mpa, caliber 60MM * 2, flow 20m3/min, air blast is 15KW, the about 6000M3/H of air quantity is for intermittently using the oil pressure 0.4Mpa of fuel heavy oil, caliber 4.5MM, at present the length of flame is 12 meters, every day output 180-200 ton/sky, the oil consumption of output per ton is about the 120KG/ ton, flue-gas temperature 250 degree, Secondary Air temperature 600-750 degree, one of kiln hood spray gun, angle of flare 120 degree.With the average 900KG/H of heavy oil amount, 24 continuous throughout the twenty-four hour24s, the calorific value of heavy oil are 9200,3500.00 yuan/tons of oil prices, year use 350 days.Electricity price (average price): 0.70 yuan/degree.Adopt adjustable bleeding and energy saving combustion-supporting system to carry out energy-conservation technological transformation to this rotary kiln, energy-conservation power consumption utilization rate is 75% calculating.Estimate that rate of economizing gasoline is more than 10%.
According to above-mentioned parameter, adopt adjustable bleeding and energy saving combustion-supporting system, selection pressure is 0.7MPA, flow is the air compressor machine of 22M3/MIN, through behind the air accumulator of voltage stabilizing by behind the fore filter through being complementary, main line filter, the accurate filter, it is the 23M3/MIN Combined low-dew-point dryer that compressed air enters treating capacity, then removes the purified treatment that the atomizing oil content has been finished air by charcoal filter.Air after the purification enter oxygen nitrogen separate produce behind the unit 120M3/H (20 ℃ of mark attitudes 101.325Kpa), oxygen concentration is 93 ± 2% oxygen rich gas, are divided into two approach with this oxygen rich gas and enter rotary kiln:
First approach is according to kiln ideal burning state, and namely the middle part is the combustion zone; The bottom is the high-temperature region, so that heat is passed to feed liquid.This technological transformation is intended passing into oxygenation gas from flame bottom high-pressure blast, and flame bottom (near the batch liquid level) temperature improves, thereby changes existing combustion characteristics, makes it form stronger gradient burning.The temperature of flame bottom improves, and can strengthen flame to the radiant heat transfer of feed liquid, is conducive to the product fusing, reduces excess air, guarantees that coefficient of excess air reaches desired quantity, fuel savings consumption.It is 24-26% to oxygen concentration that this oxygen rich gas and former roots blower are carried out mixing match by blending tank, and pressure is adjusted to 0.2MPA, and Flow-rate adjustment is delivered to kiln to 20M3/MIN by former high-pressure air hose pipeline.Body of heater flame upper temp is lower than the bottom during technology oxygenation burning, and this is not only favourable to top and breastwork life-span, and can alleviate its ablation.
Another approach is the atomizing wind that the atomizing wind that former pneumatically atomizes to heavy oil is transformed into high pressure, hyperoxia concentration, this moment is through oxygenation adjusting mixer unit 4, it is about 45% that this oxygen rich gas and compressed air are carried out mixing match to oxygen concentration by blender, pressure is adjusted to 0.35-0.4MPA, Flow-rate adjustment is to 60-70M3/H, replace former atomizing blast contracting air to enter rotary kiln end center atomizing airduct, latus rectum is 10MM.So greatly strengthen flame intensity, make the burning of astatki more abundant, reach fuel-saving purpose.
After this rotary kiln adopts adjustable bleeding and energy saving combustion-supporting system, keep primary output constant, in the constant situation of firing temperature, use fuel as the consumption of heavy oil the average 900KG/H during from original air-breathing, drop to the average 752KG/H of fuel consumption, rate of economizing gasoline reaches 16.4%.
Claims (10)
1. an adjustable bleeding and energy saving combustion-supporting system is characterized in that, comprising:
Compressed air unit (1): be used for providing pressure steadily and the compressed air gas source of oil content below 3PPM;
Air cleaning member (2): be used for removing contained water, oil, dirt and the part CO of compressed air gas source that is provided by compressed air system (1)
2
Oxygen nitrogen separative element (3): be used for filtering the nitrogen through the pretreated compressed air gas source of air cleaning member (2), remaining CO
2And water vapour, the oxygen in the compressed air gas source then passes oxygen nitrogen separative element (3) enrichment becomes product gas;
Oxygenation adjusting mixer unit (4): according to the actual needs of different industrial furnaces, regulate oxygen concentration, pressure and the flow of product gas by oxygenation adjusting mixer unit (4), thereby form the oxygen rich gas of adjustable oxygen enriching burning-aid;
Oxygenation applicating nozzle unit (5): be used for being connected with the burner block of the industrial furnace of different structure, so that the oxygen rich air physical efficiency is delivered in the burner block place of anoxic.
2. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 1, it is characterized in that: described compressed air unit (1) comprises for generation of compressed-air actuated air compressor, the port of export of air compressor connects the air accumulator that is used for voltage stabilizing, and air accumulator connects described air cleaning member (2).
3. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 1, it is characterized in that: described air cleaning member (2) comprises fore filter, fore filter connect successively main line filter, accurate filter, Combined low-dew-point dryer and active carbon filter, Combined low-dew-point dryer adopt selects CO absorption
2Macromolecular material remove described part CO
2
4. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 1, it is characterized in that: described oxygen nitrogen separative element (3) comprises air cushioning tank (3-1), the entrance point of air cushioning tank (3-1) links to each other with described air cleaning member (2), its port of export connects respectively the nitrogen that is used for filtering described compressed air gas source, remaining CO by air intake valve (3-2)
2And left nitrogen oxygen knockout tower (3-3) and the right nitrogen oxygen knockout tower (3-5) of water vapour, left nitrogen oxygen knockout tower (3-3) and right nitrogen oxygen knockout tower (3-5) are controlled each other switch operating by the air valve group, the oxygen outlet end of left nitrogen oxygen knockout tower (3-3) and right nitrogen oxygen knockout tower (3-5) connects oxygen storage tank (3-7) by going out oxygen valve (3-6), and oxygen storage tank (3-7) connects described oxygenation adjusting mixer unit (4) again.
5. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 4, it is characterized in that: the structure of described left nitrogen oxygen knockout tower (3-3) and described right nitrogen oxygen knockout tower (3-5) is identical, comprise tower body (3-3-7), admission line (3-3-8) and oxygen output pipe road (3-3-14) are connected to top and the bottom of tower body (3-3-7), in tower body (3-3-7), be provided with oxygen molecular sieve processed (3-3-9), the top that is pressed on oxygen molecular sieve processed (3-3-9) by will be the from top to bottom stacked activity porous pressing plate (3-3-4) of hold-down mechanism and the first cushion pad (3-3-5), the bottom of oxygen molecular sieve processed (3-3-9) is pressed in from top to bottom stacked the second cushion pad (3-3-11) and fixedly on the porous web plate (3-3-12), be provided with porous webmaster filter (13) in the fixing below of porous web plate (3-3-12), after described compressed air gas source enters tower body (3-3-7) via admission line (3-3-8), pass through successively activity porous pressing plate (3-3-4), the first cushion pad (3-3-5), oxygen molecular sieve processed (3-3-9), the second cushion pad (3-3-11), fixedly behind porous web plate (3-3-12) and the porous webmaster filter (13), (3-3-14) goes out by the oxygen output pipe road.
6. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 5 is characterized in that: be respectively equipped with the first stainless steel cloth (3-3-6) and the second stainless steel cloth (3-3-10) between described the first cushion pad (3-3-5) and described the second cushion pad (3-3-11) and described oxygen molecular sieve processed (3-3-9).
7. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 5, it is characterized in that: described hold-down mechanism comprises holddown spring (3-3-3), holddown spring (3-3-3) is located in the pogo barrel.
8. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 1, it is characterized in that: described oxygenation adjusting mixer unit (4) comprises product oxygen pressure regulator valve (4-1), the entrance point that produces oxygen pressure regulator valve (4-1) connects described oxygen nitrogen separative element (3), its port of export first oxygen concentration test point needle valve (4-2) of connecting successively, oxygen therapy flowmeter (4-3), oxygen flow rate adjusting valve (4-4) and advance oxygen valve (4-20), an input of blender (4-10) connects into oxygen valve (4-20), another input connect successively air flow rate adjustment valve (4-8) and the first pressure-regulating valve (4-7), the first pressure-regulating valve (4-7) connects compressor air source of the gas or roots blower air source of the gas, the output of blender (4-10) connect connect behind the second oxygen concentration test point needle valve (4-13) mix after oxygen enrichment flowmeter (4-16), oxygen enrichment flowmeter (4-16) is connected successively and is connected described oxygenation applicating nozzle unit (5) behind flow control valve (4-17) and the second pressure-regulating valve (4-18) after mixing.
9. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 8 is characterized in that: advance between the oxygen valve (4-20) to be connected in series successively the first tempering safety valve (4-5) and the first check-valves (4-6) with described at described oxygen flow rate adjusting valve (4-4); Between another input of described air flow rate adjustment valve (4-8) and described blender (4-10), be serially connected with the second check-valves (4-9); Be serially connected with the 3rd check-valves (4-15) between the oxygen enrichment flowmeter (4-16) after described the second oxygen concentration test point needle valve (4-13) and described the mixing, between Pressure gauge (4-14) access the second oxygen concentration test point needle valve (4-13) and the 3rd check-valves (4-15); Between described the second pressure-regulating valve (4-18) and described oxygenation applicating nozzle unit (5), be serially connected with the second tempering safety valve (4-19).
10. a kind of adjustable bleeding and energy saving combustion-supporting system as claimed in claim 8, it is characterized in that: described blender (4-10) comprises housing, in housing, be provided with tubular stainless steel cloth (4-12), be respectively equipped with a mesh baffle plate (4-11) at the two ends of tubular stainless steel cloth (4-12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204427036U CN202792085U (en) | 2012-08-31 | 2012-08-31 | Adjustable oxygenating energy-saving and combustion-supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204427036U CN202792085U (en) | 2012-08-31 | 2012-08-31 | Adjustable oxygenating energy-saving and combustion-supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792085U true CN202792085U (en) | 2013-03-13 |
Family
ID=47819341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204427036U Expired - Fee Related CN202792085U (en) | 2012-08-31 | 2012-08-31 | Adjustable oxygenating energy-saving and combustion-supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792085U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788362A (en) * | 2012-08-31 | 2012-11-21 | 上海盛靓节能科技发展有限公司 | Adjustable oxygenation energy-saving combustion-supporting system |
| CN103196508A (en) * | 2013-04-01 | 2013-07-10 | 烟台市计量所 | Steam pressure regulation buffer container |
| CN112062095A (en) * | 2020-09-21 | 2020-12-11 | 江苏双泰阀机械有限公司 | Double-air-passage mixed flow oxygen and nitrogen making machine |
-
2012
- 2012-08-31 CN CN2012204427036U patent/CN202792085U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788362A (en) * | 2012-08-31 | 2012-11-21 | 上海盛靓节能科技发展有限公司 | Adjustable oxygenation energy-saving combustion-supporting system |
| CN103196508A (en) * | 2013-04-01 | 2013-07-10 | 烟台市计量所 | Steam pressure regulation buffer container |
| CN112062095A (en) * | 2020-09-21 | 2020-12-11 | 江苏双泰阀机械有限公司 | Double-air-passage mixed flow oxygen and nitrogen making machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280916A (en) | Thermal storage type oxygen-enriched combusting method and device | |
| CN103672952B (en) | A kind of industrial furnace high pressure internal-mixing atomization winding-up vegetable fat or bio oil combustion system and method thereof | |
| CN102635849A (en) | Burner specific for gasifying biological alcohol base fuel and burning method thereof | |
| CN102876824A (en) | Method for guaranteeing high blast temperature by using blast furnace gas | |
| CN202792085U (en) | Adjustable oxygenating energy-saving and combustion-supporting system | |
| CN102788362A (en) | Adjustable oxygenation energy-saving combustion-supporting system | |
| CN204848775U (en) | Novel biomass gasification unit | |
| CN86101184A (en) | Apparatus for treating flue gas | |
| CN203586263U (en) | High-concentration oxygen-enriched combustion system of cement kiln | |
| CN204455020U (en) | Biomass energy recycling system | |
| CN203687089U (en) | Vegetable fat or bio-oil combustion system adopting high-pressure internally-mixing type atomization and injection manner for industrial furnace | |
| CN101865457A (en) | Circulating fluidized bed boiler | |
| CN201513900U (en) | Tail gas processing system for jetflow ejector pumping polyester device | |
| CN207585344U (en) | A kind of energy-saving and emission-reduction gas supply-discharge system of tubular heater | |
| CN203744238U (en) | Tangential and direct flows combined combustion stabilizing and heat storage combusting device suitable for low-calorific-value fuel gas | |
| CN202692101U (en) | Vehicular oil burning boiler and tail inert gas purification equipment | |
| CN106629631B (en) | A kind of the sulfur waste cleavage systems and technique of oxygen-enriched combustion-supporting | |
| CN208042148U (en) | A kind of chemical waste liquid burning disposal utilization system | |
| CN208519748U (en) | A kind of biomass combustion heating cycle system | |
| CN2886352Y (en) | Oilless combustion-supporting ultra-low load operating burner for coal powder boiler | |
| CN209309998U (en) | It is a kind of with coal gas be sealing coking tail gas burning process device | |
| CN203605259U (en) | Boiler water circulation preheating system | |
| CN208519981U (en) | A kind of biomass high-efficiency energy-saving burning boiler | |
| CN203928764U (en) | A kind of electric furnace fume residual heat recycle device | |
| CN203612951U (en) | Oxygen supply device for oxygen-enrichedcombustion of rotary kiln burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI TENGCUI ENERGY SAVING AND ENVIRONMENTAL P Free format text: FORMER OWNER: SHANGHAI SHENGLIANG ENERGY-SAVING TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20150708 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 200240, 41 floor, building 3, 398 Heqing Road, Minhang District, Shanghai, Patentee after: Shanghai Teng energy saving environmental protection science and Technology Development Co Ltd Address before: 200240 Shanghai city Minhang District Jianchuan Road No. 951 Building 5 floor A2068 room 2 Patentee before: Shanghai Shengliang Energy-Saving Technology Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |